两个飞行员一前一后地并用了一个比单座机型偏大的水滴形座舱盖。
Two pilots sit in tandem in the two-seat cockpit with one single large bubble canopy.
太阳下山了，小豆和胖胖一前一后地往家里走去。突然胖胖叹了口气：“天黑了，咱们画不成点点画了！”
The sun began setting and Roo and Lumpy walked home. "lt's too dark to draw any more dot-to-dot pictures now," said Lumpy.
他们一前一后蹑手蹑脚地悄悄走了下去。
They went tiptoeing stealthily down, the one behind the other.
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